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20121107
20121107
STATION
LINKTV 1
LANGUAGE
Search Results 0 to 0 of about 1
LINKTV
Nov 7, 2012 9:00am PST
of water dowsing-- finding underground water using forked sticks-- has been going on for centuries. typically, the dowser grasps the fork of the stick and points the other end skyward. then, as he's walking along and happens to pass over a supply of underground water, the end of the stick, or divining rod, supposedly twists downward, showing where to dig the well. in reality, almost anywhere you popoint the stick, you'd eventually find water. although its depth varies considerably from place to place, water is present beneath the earth's surface almost everywhere, even under the driest deserts. most people tend to take groundwater for granted, but it's a tremendously valuable resource upon which most of us depend. over 1/2 of the u.s. population relies on it for its drinking-water supply. even more groundwater's used for irrigating agriculture, and its industrial use is growing every day. groundwater is valuable because it's plentiful and clean. there's about 50 times more water underground than in all the lakes and rivers on the earth's surface combined. in many areas, especially
Search Results 0 to 0 of about 1